/*

 * Licensed to the Apache Software Foundation (ASF) under one

 * or more contributor license agreements.  See the NOTICE file

 * distributed with this work for additional information

 * regarding copyright ownership.  The ASF licenses this file

 * to you under the Apache License, Version 2.0 (the

 * "License"); you may not use this file except in compliance

 * with the License.  You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.bff.gaia.unified.sdk.runners;



import com.bff.gaia.unified.sdk.annotations.Experimental;

import com.bff.gaia.unified.sdk.annotations.Experimental.Kind;

import com.bff.gaia.unified.sdk.annotations.Internal;

import com.bff.gaia.unified.sdk.transforms.PTransform;



/**

 * <b><i>For internal use only; no backwards-compatibility guarantees.</i></b>

 *

 * <p>Matches applications of {@link PTransform PTransforms}.

 */

@Internal

@Experimental(Kind.CORE_RUNNERS_ONLY)

public interface PTransformMatcher {

  boolean matches(AppliedPTransform<?, ?, ?> application);



  /**

   * An {@link AppliedPTransform} matched by a {@link PTransformMatcher} will be replaced during

   * pipeline surgery, and is often expected to be gone the new pipeline. For the {@link

   * AppliedPTransform} that is expected to remain in the pipeline after surgery, the corresponding

   * {@link PTransformMatcher} should override this method, such that it will not be matched during

   * the validation.

   */

  default boolean matchesDuringValidation(AppliedPTransform<?, ?, ?> application) {

    return matches(application);

  }



  default PTransformMatcher and(PTransformMatcher matcher) {

    return application -> this.matches(application) && matcher.matches(application);

  }



  default PTransformMatcher or(PTransformMatcher matcher) {

    return application -> this.matches(application) || matcher.matches(application);

  }

}